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Scaling of L-mode heat flux for ITER and COMPASS-U divertors, based on five tokamaks

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    SYSNO ASEP0519223
    Document TypeA - Abstract
    R&D Document TypeO - Ostatní
    TitleScaling of L-mode heat flux for ITER and COMPASS-U divertors, based on five tokamaks
    Author(s) Horáček, Jan (UFP-V) RID, ORCID
    Seidl, Jakub (UFP-V) RID
    Komm, Michael (UFP-V) RID, ORCID
    Jiráková, Kateřina (UFP-V)
    Hron, Martin (UFP-V) RID, ORCID
    Jaulmes, Fabien (UFP-V) ORCID
    Adámek, Jiří (UFP-V) RID, ORCID
    Matthews, G. F. (GB)
    Elmore, S. (GB)
    Thornton, A. (GB)
    Deng, G. (CN)
    Gao, X. (CN)
    Wang, L. (CN)
    Ding, R. (CN)
    Olsen, J. (DK)
    Rasmussen, J.J. (DK)
    Nielsen, A.H. (DK)
    Naulin, V. (DK)
    Brunner, D. (US)
    LaBombard, B. (US)
    Jardin, A. (FR)
    Ezzat, M. (ES)
    Camacho, K. (FR)
    Guillemaut, C. (PT)
    Number of authors24
    Source TitleBulletin of the American Physical Society. - New York : American Physical Society, 2019 - ISSN 0003-0503
    Number of pages1 s.
    Publication formOnline - E
    ActionDPP19 Meeting ofThe American Physical Society
    Event date21.10.2019 - 25.10.2019
    VEvent locationFort Lauderdale
    CountryUS - United States
    Event typeWRD
    Languageeng - English
    CountryUS - United States
    KeywordsITER ; COMPASS ; heat flux
    Subject RIVBL - Plasma and Gas Discharge Physics
    OECD categoryFluids and plasma physics (including surface physics)
    Institutional supportUFP-V - RVO:61389021
    AnnotationBased on Nuclear Fusion paper, we improve scalings of divertor L-modepower decay length. We employ data from tokamaks JET, EAST, MAST, AlcatorC-mod and COMPASS and validate it against 2D turbulence simulation HESEL.The analysis covers 500 divertor heat ux pro les with 11 varying global plasmaparameters. We see that two previously published scalings describe well only partof the database. We therefore derive 20 new scalings describing 86-93 % of themeasured decay length variability. We so-predict for attached highest current L-mode in ITER: 10-20 MW/m2surface perpendicular heat ux and twice that forCOMPASS-Upgrade.
    WorkplaceInstitute of Plasma Physics
    ContactVladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975
    Year of Publishing2020
    Electronic addresshttp://absimage.aps.org/image/DPP19/MWS_DPP19-2019-000640.pdf
Number of the records: 1  

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